BaseCategory.getCategoryChildValueList is not returning self in the list, Category.getCategoryChildValueList was.
Make this consitent by changing Category.getCategoryChildValueList not to include self by default.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13586 20353a03-c40f-0410-a6d1-a30d3c3de9de